Upper Shaft Assembly Removal; Needle-Presser Unit Removal; Plate Spring Removal - Brother BC800 Service Manual

Main unit
21

Upper shaft assembly removal

1. Remove the screw 1.
2. Remove the 4 screws 2, and then remove the 2 upper shaft bearing
pressers 1.
3. Remove the upper shaft assembly 3 from the needle bar crank 2, and
then remove timing belt 420-5GT-6 4 and timing belt 372-2GT-6 5.
22

Needle-presser unit removal

1. Peel the label, and then remove the screw 1.
2. Remove the 2 screws 2, and then remove the needle-presser unit 1.
23

Plate spring removal

1. Remove the adjusting screw 1.
2. Remove the 2 screws 1, and then remove the adjusting plate 2 and the
plate spring 3.
Main parts
1 1 2
2 3 4
1
2
1
2 1
1
2
3
1
1
5
3
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